What to Wear in San Antonio
San Antonio is hot with a long humid summer and mild winter. The right wardrobe is built around heat and humidity, with brief but real cold weeks.
Winter in San Antonio
December through February. 55-70°F highs, 40-55°F lows. Mild with occasional cold snaps.
Spring in San Antonio
March through May. 70-85°F.
Summer in San Antonio
June through September. 90-100°F with humidity.
Fall in San Antonio
October through November. 70-85°F.
Local tips
Similar climate to Houston but slightly drier inland. Heat index manages most of the summer. AC contrast indoors is intense.